CN219782551U - A blood collection device - Google Patents

Abstract

The utility model relates to the technical field of medical treatment, in particular to a blood collection device, which comprises a sampling table, a limiting structure and a tightening structure, wherein the limiting structure is arranged on the sampling table, the tightening structure is arranged on the sampling table, the blood collection device further comprises a clamping assembly, the clamping assembly comprises a clamping seat, a feed screw rod, a screwing block, a rotating shaft and a locking member, the clamping seat is fixedly connected with the rotating shaft and is positioned at the bottom of the rotating shaft, the feed screw rod is in threaded connection with the clamping seat and is positioned at one end of the clamping seat, the screwing block is fixedly connected with the feed screw rod and is positioned at the top end of the feed screw rod, the rotating shaft is connected with the sampling table through the locking member and is positioned at the lower end of the sampling table, and the locking member is arranged at the bottom of the sampling table, so that the blood collection device can be clamped at the left side or the right side of a sickbed, and the left arm or the right arm of a patient can be conveniently subjected to blood collection work.

Description

A blood collection device

Technical field

The utility model relates to the field of medical technology, and in particular to a blood collection device.

Background technique

The hemodialysis room, also referred to as the hemodialysis room, is a place where hemodialysis is used to provide renal replacement therapy to patients with chronic renal failure or acute renal failure due to related diseases. Hemodialysis patients need regular care during care. Blood collection work is performed on patients, and blood collection devices are particularly widely used. However, when medical staff collect blood, they need to use rubber tubes to tie the patient's blood collection site and then collect blood. This operation is troublesome.

The prior art CN215994589U discloses a blood sample collection device for hemodialysis room care, which includes a sampling table. The bottom of the sampling table is provided with clamping parts at both ends. The top of the sampling table is provided with two symmetrical positioning blocks. There is a fixed rod fixedly connected between the blocks. The fixed rod is provided with a movable moving block. The moving block is provided with a first tightening nut for tightening and fixing. The moving block is connected to the limiting component through the support rod. The connection and the limiting component are used to limit and clamp the blood collection tube. The utility model is provided with a limiting component. The limiting component can move on the fixed rod to adjust the position of the limiting component. Moreover, the blood collection tube can be placed on the clamping block and the support block to clamp the blood collection tube. , and the position of the first support seat is adjustable, increasing the distance between the support block and the clamping block, adapting to blood collection tubes of various sizes, and improving practicality.

The clamping part in the above technology can only clamp the blood sample collection device on one side of the hospital bed. If the blood vessels of different patients' left and right hands have different definitions, the existing device can only collect blood samples from one arm of the patient, which is inconvenient. Adjust the collection position.

Utility model content

The purpose of this utility model is to provide a blood collection device, which solves the problem that the clamping part in the prior art can only clamp the blood sample collection device on one side of the hospital bed. If the blood vessels of different patients' left and right hands have different definitions, but now Some devices can only collect blood samples from one arm of the patient, making it inconvenient to adjust the collection position.

In order to achieve the above purpose, the present invention provides a blood collection device, which includes a sampling platform, a limiting structure and a tightening structure. The limiting structure is installed on the sampling platform, and the tightening structure is installed on the sampling platform. On the stage,

Also includes clamping components;

The clamping assembly includes a card seat, a feed screw, a tightening block, a rotating shaft and a locking member. The card seat is fixedly connected to the rotating shaft and is located at the bottom of the rotating shaft. The feed screw is connected to the rotating shaft. The card seat is threaded and located at one end of the card seat. The tightening block is fixedly connected to the feed screw and located at the top of the feed screw. The rotating shaft and the sampling table pass through the lock. The tightening member is connected and located at the lower end of the sampling platform, and the locking member is installed at the bottom of the sampling platform.

Wherein, the locking member includes a fixed cylinder, a limiting block and a locking member. The fixed cylinder is fixedly connected to the sampling platform and is located at the bottom of the sampling platform; the limiting block is fixed to the rotating shaft. connected and located on one side of the rotating shaft and in the limiting groove of the fixed cylinder; the locking member connects the rotating shaft and the fixed cylinder.

Wherein, the locking member includes a locking screw and a locking nut, the locking screw penetrates the fixed barrel and the rotating shaft; the locking nut is threadedly connected to the locking screw and is located at the The locking screw is close to one end of the fixed barrel.

Wherein, the clamping assembly further includes a belt and a connecting block. The belt is rotationally connected to the connecting block and is sleeved on the connecting block. The connecting block is fixedly connected to the feed screw and is located on the connecting block. One end of the feed screw.

Wherein, the clamping assembly further includes a rotating handle, which is fixedly connected to the feed screw and located at the bottom of the feed screw.

In a blood collection device of the present invention, the card holder is placed on the bed board, and the feed screw is rotated upward, thereby driving the tightening block to tighten and fix the bottom of the bed board, thereby realizing the above-mentioned The fixed limit of the card base and the bed board facilitates the installation and fixation of the blood collection device. When it is necessary to change the blood collection device to be fixed on the other side of the bed, the locking member is used to fix and unlock the rotating shaft. Finally, the card holder is rotated 180 degrees to rotate the U-shaped groove of the card holder to the opposite side, and then the rotating shaft is fixed through the locking member, and the feeding screw is used to fix the rotating shaft. The card base and the bed board are fixed, and the blood collection device can be easily clamped on the left or right side of the hospital bed through the clamping assembly, which can facilitate blood collection from the patient's left arm or right arm.

Description of the drawings

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below.

Figure 1 is a schematic diagram of the overall structure of the blood collection device according to the first embodiment of the present invention.

Figure 2 is a schematic front view of the clamping assembly according to the first embodiment of the present invention.

Figure 3 is a schematic top view of the connection between the locking member and the rotating shaft according to the first embodiment of the present invention.

Figure 4 is a schematic diagram of the overall structure of the clamping assembly according to the second embodiment of the present invention.

In the picture: 101-sampling table, 102-limiting structure, 103-tightening structure, 104-cassette, 105-feed screw, 106-tightening block, 107-rotating shaft, 108-fixed cylinder, 109-limiting block, 110-limiting slot, 111-locking screw, 112-locking nut, 213-belt, 214-connecting block, 215-rotating handle.

Detailed ways

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention and cannot be understood as Limitations on this utility model.

First embodiment:

Please refer to Figures 1 to 4. Figure 1 is a schematic diagram of the overall structure of the blood collection device according to the first embodiment of the present invention. Figure 2 is a front connection schematic diagram of the clamping assembly according to the first embodiment of the present invention. Figure 3 This is a top view connection diagram of the locking member and the rotating shaft in the first embodiment of the present invention.

The utility model relates to a blood collection device: it includes a sampling table 101, a limiting structure 102, a tightening structure 103 and a clamping assembly. The clamping assembly includes a clamping base 104, a feed screw 105, a tightening block 106 and a rotating shaft 107. and a locking member, which includes a fixed barrel 108, a limiting block 109, and a locking member. The locking member includes a locking screw 111 and a locking nut 112. The above solution solves the problem that the clamping part in the prior art can only clamp the blood sample collection device on one side of the hospital bed. If the blood vessels of different patients' left and right hands have different definitions, the existing device can only clamp one side of the patient's arm. When collecting blood samples, it is inconvenient to adjust the collection position. It can be understood that the aforementioned solution can easily clamp the blood collection device on the left or right side of the hospital bed through the clamping assembly, which can facilitate the left or right arm of the patient. arm for blood collection.

In this embodiment, the sampling platform 101 provides installation conditions for the limiting structure 102 and the tightening structure 103. The limiting structure 102 is installed on the top of the sampling platform 101 away from the tightening structure 103. On one side, the limiting structure 102 includes a first fixed seat, a second fixed seat, a clamping block, a supporting block and a limiting plate, which limit the blood collection tube, and can sequentially collect blood in the blood collection tube. , it is more convenient to use. The tightening structure 103 includes a tightening block with a curved top. A driving assembly is installed in the tightening block. The tightening rope is installed through the driving assembly to tighten the patient's arm, which is convenient for medical care. Personnel performs needle pricking and blood collection.

The card seat 104 is fixedly connected to the rotating shaft 107 and is located at the bottom of the rotating shaft 107. The feed screw 105 is threadedly connected to the card seat 104 and is located at one end of the card seat 104. The tightening block 106 is fixedly connected to the feeding screw 105 and is located at the top of the feeding screw 105. The rotating shaft 107 is connected to the sampling table 101 through the locking member and is located on the sampling table. 101, the locking member is installed at the bottom of the sampling platform 101. The card holder 104 is U-shaped and has a hollow middle position at the bottom. The two ends of the bottom are respectively provided with screw holes that match the feed screw 105 to realize threaded connection with the feed screw 105. The feeding screw rods 105 penetrate through both ends of the bottom of the card seat 104 respectively. The card seat 104 and the bed board are fixed by the upward rotation of the feed screw rod 105, and the card seat 104 is fixed by the downward rotation of the feed screw rod 105. To unlock the bed board, the tightening blocks 106 are respectively fixedly installed on the tops of the two feed screws 105. The tightening blocks 106 increase the contact area and contact friction with the bed board, so that the bed board is fixed to the bed board. To be more secure, the rotating shaft 107 is fixedly installed on the central axis of the top of the card seat 104. The upper end of the rotating shaft 107 extends into the fixed barrel 108 of the locking member, and the rotating shaft 107 It is T-shaped and cooperates with the limiting groove 110 of the fixed barrel 108 to prevent the rotating shaft 107 from being separated from the locking member, and connects the card base 104 and the locking member through the rotating shaft 107. The locking member is installed at the central axis of the bottom of the sampling table 101 and is cooperatively connected with the rotating shaft 107. The locking member connects the sampling table 101 and the rotating shaft 107, and can adjust the rotating shaft 107. Therefore, the card holder 104 is placed on the bed board, and the feed screw 105 is rotated upward to drive the tightening block 106 to tighten and fix the bottom of the bed board to achieve the above The fixed limit of the card base 104 and the bed board facilitates the installation and fixation of the blood collection device. When it is necessary to change the blood collection device to be fixed on the other side of the bed, the rotating shaft 107 can be adjusted through the locking member. After being fixed and unlocked, the card holder 104 is rotated 180 degrees to rotate the U-shaped groove of the card holder 104 to the opposite side, and then the rotating shaft 107 is fixed through the locking member, and the rotating shaft 107 is fixed through the locking member. The screw 105 fixes the card holder 104 and the bed board, and the clamping assembly facilitates clamping the blood collection device on the left or right side of the hospital bed, making it easy to perform surgery on the patient's left arm or right arm. Blood collection work.

Secondly, the fixed cylinder 108 is fixedly connected to the sampling platform 101 and is located at the bottom of the sampling platform 101; the limiting block 109 is fixedly connected to the rotating shaft 107 and is located on one side of the rotating shaft 107. And is located in the limiting groove 110 of the fixed cylinder 108; the locking member connects the rotating shaft 107 and the fixed cylinder 108. The fixed cylinder 108 is a cylinder with the limiting groove 110 inside, which provides conditions for the installation of the rotating shaft 107 and the installation of the locking components. The limiting block 109 is fixedly installed on the fixed cylinder 108 . One side of the rotating shaft 107, and the limiting block 109 is provided with a through hole that matches the through hole of the rotating shaft 107 and the locking screw 111 of the locking member. Through the limiting block 109 and the The limiting groove 110 of the fixed barrel 108 cooperates so that the rotating shaft 107 can only rotate 180 degrees. The locking member is used to fix the rotation of the rotating shaft 107 to prevent the rotation of the rotating shaft 107 during blood collection. The sampling table 101 rotates; therefore, the rotation and fixation of the rotating shaft 107 are realized through the locking member, so that the clamp 104 can be clamped on the left and right sides of the hospital bed.

At the same time, the locking screw 111 penetrates the fixed barrel 108 and the rotating shaft 107; the locking nut 112 is threadedly connected to the locking screw 111 and is located close to the locking screw 111. One end of barrel 108. The locking screw 111 penetrates the fixed barrel 108, the rotating shaft 107 and the limiting block 109, and limits the rotation of the rotating shaft 107. The locking nut 112 and the locking screw 111 Cooperate with and be sleeved on the locking screw 111. The locking nut 112 is rotated until it is tightly pressed against the fixed barrel 108, and cooperates with the locking screw 111 to achieve the locking member to the rotating shaft. Rotation limit of 107.

When using the blood collection device of the present invention, the card holder 104 is placed on the bed board, and the feed screw 105 is rotated upward, thereby driving the tightening block 106 to tighten against the bottom of the bed board. Fixed, the fixed position of the card holder 104 and the bed board is realized to facilitate the installation and fixation of the blood collection device. When it is necessary to change the blood collection device to be fixed on the other side of the bed, the locking member is used to fix the blood collection device to the other side of the bed. After the rotating shaft 107 is fixed and unlocked, the holder 104 is rotated 180 degrees to rotate the U-shaped groove of the holder 104 to the opposite side, and then the rotating shaft 107 is fixed by the locking member. The card seat 104 and the bed board are fixed through the feeding screw 105, and the blood collection device can be easily clamped on the left or right side of the hospital bed through the clamping assembly, which can facilitate the left or right side of the patient. arm or right arm for blood collection.

Second embodiment:

Please refer to FIG. 4 , which is a schematic diagram of the overall structure of the clamping assembly according to the second embodiment of the present invention. Based on the first embodiment, the clamping assembly of the present invention also includes a belt 213, a connecting block 214 and a rotating handle 215.

In this embodiment, the belt 213 is rotationally connected to the connecting block 214 and is sleeved on the connecting block 214; the connecting block 214 is fixedly connected to the feed screw 105 and is located on the feed screw 105. Give one end of the screw 105. The connecting block 214 is annular, and its middle diameter matches the diameter of the feed screw 105 . The outside of the connecting block 214 is provided with a groove matching the thickness of the belt 213 , which is the thickness of the belt 213 . To provide conditions for connection, the two connecting blocks 214 are respectively sleeved on one end of the two feed screws 105 away from the tightening block 106 and close to the card seat 104, and the two ends of the belt 213 are sleeved respectively. In the grooves of the two connecting blocks 214, the two connecting blocks 214 are connected through the belt 213, so that the two feeding screws 105 are connected through the belt 213 and the two connecting blocks 214. , so that rotating one of the feed screws 105 can rotate the other of the feed screws 105, thereby shortening the time of rotating the feed screws 105 for clamping.

The rotating handle 215 is fixedly connected to the feed screw 105 and is located at the bottom of the feed screw 105 . The upper end of the rotating handle 215 is fixedly connected to the central axis position of the bottom of the feed screw 105. By rotating the rotating handle 215 to drive the feed screw 105 to rotate, it saves time and effort.

What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes for implementing the above embodiments, and implement them according to this application. Equivalent changes made to the claims of the application will still fall within the scope of this application.

Claims (5)

1. A blood collection device, comprising a sampling table, a limiting structure and a tightening structure, the limiting structure is installed on the sampling table, and the tightening structure is installed on the sampling table, characterized in that, Also includes clamping components; The clamping assembly includes a card seat, a feed screw, a tightening block, a rotating shaft and a locking member. The card seat is fixedly connected to the rotating shaft and is located at the bottom of the rotating shaft. The feed screw is connected to the rotating shaft. The card seat is threaded and located at one end of the card seat. The tightening block is fixedly connected to the feed screw and located at the top of the feed screw. The rotating shaft and the sampling table pass through the lock. The tightening member is connected and located at the lower end of the sampling platform, and the locking member is installed at the bottom of the sampling platform. 2. The blood collection device according to claim 1, characterized in that, The locking member includes a fixed cylinder, a limiting block and a locking member. The fixed cylinder is fixedly connected to the sampling platform and is located at the bottom of the sampling platform; the limiting block is fixedly connected to the rotating shaft. and is located on one side of the rotating shaft and in the limiting groove of the fixed cylinder; the locking member connects the rotating shaft and the fixed cylinder. 3. The blood collection device according to claim 2, characterized in that, The locking member includes a locking screw and a locking nut. The locking screw penetrates the fixed barrel and the rotating shaft; the locking nut is threadedly connected to the locking screw and is located on the lock. The tightening screw is close to one end of the fixed barrel. 4. The blood collection device according to claim 1, characterized in that, The clamping assembly also includes a belt and a connecting block. The belt is rotationally connected to the connecting block and is sleeved on the connecting block. The connecting block is fixedly connected to the feed screw and is located on the connecting block. One end of the feed screw. 5. The blood collection device according to claim 1, characterized in that, The clamping assembly also includes a rotating handle, which is fixedly connected to the feed screw and located at the bottom of the feed screw.